diff --git a/src/twn_util.c b/src/twn_util.c
index f3e32a8..29f9503 100644
--- a/src/twn_util.c
+++ b/src/twn_util.c
@@ -1,4 +1,5 @@
 #include "twn_util.h"
+#include "twn_util_c.h"
 #include "twn_engine_context_c.h"
 
 #include <SDL2/SDL.h>